<!DOCTYPE html>
<html lang="zh-CN">
<html>
<head>
    <title>login</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.0.0-beta/css/bootstrap.min.css">
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js"></script>
    <script src="https://cdn.bootcss.com/bootstrap/4.0.0-beta/js/bootstrap.min.js"></script>

    <link rel="stylesheet" href="loginStyle.css" type="text/css" >
</head>

<body>
    <form action = "login.js" method = "post">
        <div class = "myCenter">
            <div class = "mySign">
                <div class = "text-center text-info">
                    <h2>请登录</h2>
                </div>
                <div class = "">
                    <input type = "text" class = "form-control" name = "username" placeholder="请输入用户名" required autofocus/>
                </div>
                <div class = "">
                    <input type = "password" class = "form-control" name = password" placeholder="请输入密码" required autofocus/>
                </div>
                <div class = "">
                    <button type = "button" class = "btn btn-success col-lg-12">登录</button>
                </div>
            </div>

        </div>
    </form>
</body>
</html>